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June 23rd, 2015, 03:45 AM
#31
Re: how to read memory address and get its value
Is the address 0xfeafe000 valid for read? of what type is txt? How is the address of txt set?
All advice is offered in good faith only. All my code is tested (unless stated explicitly otherwise) with the latest version of Microsoft Visual Studio (using the supported features of the latest standard) and is offered as examples only - not as production quality. I cannot offer advice regarding any other c/c++ compiler/IDE or incompatibilities with VS. You are ultimately responsible for the effects of your programs and the integrity of the machines they run on. Anything I post, code snippets, advice, etc is licensed as Public Domain https://creativecommons.org/publicdomain/zero/1.0/ and can be used without reference or acknowledgement. Also note that I only provide advice and guidance via the forums - and not via private messages!
C++23 Compiler: Microsoft VS2022 (17.6.5)
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June 23rd, 2015, 04:07 AM
#32
Re: how to read memory address and get its value
 Originally Posted by nur89
memcpy (txt, (char*)(0xfeafe000), sizeof(txt));
i have used it and got a segmentation fault.
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progarm recieved signal SIGSEV,segmentaion fault.
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why this happens??
Rather than posting to this old thread that has nothing to do with your problem you should have better googled for this error message in Web... Then you would find among the first tree items this one:
https://en.wikipedia.org/wiki/Segmentation_fault
 Victor Nijegorodov
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